kazuyukitanimura commented on code in PR #1385:
URL: https://github.com/apache/datafusion-comet/pull/1385#discussion_r1968649099
##########
spark/src/test/scala/org/apache/comet/CometCastSuite.scala:
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@@ -1126,27 +1129,33 @@ class CometCastSuite extends CometTestBase with
AdaptiveSparkPlanHelper {
val cometMessage =
if (cometException.getCause != null)
cometException.getCause.getMessage
else cometException.getMessage
- if (CometSparkSessionExtensions.isSpark40Plus) {
- // for Spark 4 we expect to sparkException carries the message
- assert(
- sparkException.getMessage
- .replace(".WITH_SUGGESTION] ", "]")
- .startsWith(cometMessage))
- } else if (CometSparkSessionExtensions.isSpark34Plus) {
- // for Spark 3.4 we expect to reproduce the error message
exactly
- assert(cometMessage == sparkMessage)
+ // for comet decimal conversion throws ArrowError(string) from
arrow - across spark versions the message dont match.
+ if (sparkMessage.contains("cannot be represented as")) {
+ cometMessage.contains("cannot be represented as") ||
cometMessage.contains(
+ "too large to store")
} else {
Review Comment:
Another way to remove the `if` block is to convert the error message to make
it similar to Spark
This is the place that we are defining Spark error messages
https://github.com/apache/datafusion-comet/blob/main/native/spark-expr/src/error.rs#L36
You can check how these are used.
Or you can move the message check below and switch the expected messages
based on the fromType/toType.
One or the other way. Otherwise we cannot confidently say that the test is
passing due to the `cannot be represented as` message or the `too large to
store` message.
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